As we watch the news coming out of the Vatican, and the anointment of a major religious leader, we return to the question of why so many churches are in decline — and who could successfully lead their 21st-century resurgence. Are the young falling away because they can’t relate to leaders from prior generations? Could more flexible leaders convince those who are leaving to come back? Should we blame out-of-date beliefs that leave clergy with flimsy answers to today’s questions?